John I of Nassau may refer to:
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John I, Bishop-Elect of Utrecht
John of Nassau, german: Johann von Nassau, nl, Jan van Nassau (died Deventer, 13 July 1309)Cawley.Dek (1970). was a clergyman from the House of Nassau. From 1267 to 1290 he was Bishop-Elect of the Bishopric of Utrecht (german: Stift Utrecht, n ...
(died 1309)
*John I, Count of Nassau-Beilstein (died 1473)
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John I, Count of Nassau-Siegen (c. 1339–1416)
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John I, Count of Nassau-Weilburg John I of Nassau-Weilburg (1309–1371) was Count of Nassau-Weilburg from 1355 to 1371.
John I was the second son of Count Gerlach I of Nassau-Wiesbaden and Agnes of Hesse, granddaughter of Henry I, Landgrave of Hesse. On Gerlach I abdication in ...
(1309–1371)
{{DEFAULTSORT:John 01 of Nassau